Conveying and dosing of powders and solids in the food sector
In regards to bulk goods the food industry is very interesting because hardly any other sector can offer such a variety of different powders, granules and bulk or piece goods.
A wide variety of handling tasks for example the finest powders, corn starch, spices, mushrooms and even bacon cubes. In terms of process technology, the methods for transport and dosing are as diverse as the products themselves.
Purely mechanical conveyor systems often reach their limits, be it for hygienic reasons or for explosion protection reasons. A simple screw conveyor, for example, conveys product, but it never gets completely empty and is difficult to clean.
At the same time, granulated sugar, for example, places so much stress on the mechanical system that powdered sugar is produced, which in turn has a very low minimum ignition energy (MIE), which increases the risk of explosion. Vanillin powder tends to form lumps in dosing screws, which can undoubtedly disrupt the subsequent mixing process. Vacuum conveyors in combination with vibratory feeders can elegantly solve these problems.
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INEX conveyor with HALAR coating
A powdery intermediate product from the chemical industry is to be removed from a container – still wet from the centrifuge manufacturing process- and conveyed into a dryer.
The container is on the third floor, the dryer is on the second floor. The customer required a safe and reliable conveying system for the transfer, as the mix of materials are difficult to handle and reactive.
The product from the centrifuge is still wet (wet cake) and contains, among other things, dichloromethane and toluene. Because of this, all parts in contact with the product have been provided with a conductive coating (HALAR). In addition all parts who comes into contact with the gas-air mixture has been coated to prevent the surfaces from corroding.
The Multijector vacuum pump was also made entirely of PVC.
Do you also have a very special task?
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#Volkmann #PPC #INEX #ExplosionProtection #GasExZone #Coating #HALAR #ChemicalResistance #Chemistry